Online, he is an avid user of social media. Offline, Iran's foreign minister is a seasoned international diplomat known for his calm but serious manner and negotiating skills.
Aged 86, the president of the Amal Movement is a well-known name and battle-hardened parliamentary survivor. Politician, lawyer, and militia leader, what made the Shiite leader who he is today?
With more influence than heads of state, the chair of the US Federal Reserve has received both praise and criticism since taking over. If job growth stays strong and inflation hits 2%, he won't care.
A dominant figure in Lebanon since 1992 when he became secretary-general of Hezbollah, Hassan Nasrallah can be credited with reshaping the playing field of Lebanese politics for over three decades
The longest-living American president is best remembered in the Arab world for the Camp David Accords and for not wanting to rescue the Shah after he was toppled by Iran's Islamic Revolution in 1979
After months of clashes over domestic politics and Israel's war efforts, Netanyahu has finally fired Gallant, saying the "trust between us has cracked"
While he never underwent any real military training, he has been crucial to his father's bloody power struggle. He is now being backed by a range of powers to be Libya's next leader.
Washington weighs the desire to avoid a protracted war with offsetting the appearance of defeat, as Tehran debates whether to consolidate gains before conditions shift or press perceived advantages
Israel's parliament approved a draconian death penalty law last week that only applies to Palestinian prisoners, in a move that the UN says "would constitute a war crime"